ELU MHB90 User manual

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13 en - 1

ENGLISH

BELT SANDER MHB90/MHB90E

AND CORRESPONDING K-MODELS (INCL. METAL CASE)

Congratulations!

You have chosen an Elu Power Tool. Years of

experience, thorough product development and

innovation make Elu one of the most reliable

partners for professional Power Tool users.

Table of contents

Technical data en - 1

EC-Declaration of conformity en - 1

Safety instructions en - 2

Package contents en - 3

Description en - 3

Electrical safety en - 3

Mains plug replacement (U.K. & Ireland only) en - 3

Using an extension cable en - 4

Assembly and adjustment en - 4

Instructions for use en - 5

Maintenance en - 5

Guarantee en - 6

Technical data

MHB90 MHB90E

Voltage V 230 230

(U.K. & Ireland only) V 230/115 230/115

Power input W 1,010 1,100

Belt speed m/min 380 250 - 380

Sanding surface mm 100 x 110 100 x 110

Belt length mm 560 560

Belt width mm 100 100

Dust extraction dustbag dustbag

Weight kg 6.3 6.4

Fuses:

Europe 230 V tools 10 Amperes, mains

U.K. & Ireland 230 V tools 13 Amperes, in plugs

The following symbols are used throughout this manual:

Denotes risk of personal injury,

loss of life or damage to the tool in case

of non-observance of the instructions in

this manual.

Denotes risk of electric shock.

Fire hazard.

Explosion hazard.

EC-Declaration of conformity

MHB90/MHB90E

Elu declares that these Power Tools have been

designed in compliance with: 89/392/EEC,

89/336/EEC, 73/23/EEC, EN 50144, EN 55104,

EN 55014, EN 61000-3-2 & EN 61000-3-3.

For more information, please contact Elu at the

address below, or refer to the back of the manual.

Level of sound pressure according to 86/188/EEC &

89/392/EEC, measured according to EN 50144:

MHB90 MHB90E

L

pA

(sound pressure) dB(A)* 90 90

L

WA

(acoustic power) dB(A) 98 98

* at the operator’s ear

Take appropriate measures for the

protection of hearing if the sound

pressure of 85 dB(A) is exceeded.

Weighted root mean square acceleration value

according to EN 50144:

MHB90 MHB90E

< 2.5 m/s

2

< 2.5 m/s

2

ENGLISH

en - 2 14

Director Engineering and Product Development

Horst Großmann

Elu International, Richard-Klinger-Straße 40,

D-65510, Idstein, Germany

Safety instructions

When using Power Tools, always observe the

safety regulations applicable in your country to

reduce the risk of fire, electric shock and

personal injury. Read the following safety

instructions before attempting to operate this

product. Keep these instructions in a safe place!

General

1 Keep work area clean

Cluttered areas and benches can cause accidents.

2 Consider work area environment

Do not expose Power Tools to humidity.

Keep work area well lit. Do not use Power Tools

in the presence of inflammable liquids or gases.

3 Guard against electric shock

Prevent body contact with earthed surfaces

(e.g. pipes, radiators, cookers and refrigerators).

For use under extreme conditions (e.g. high

humidity, when metal swarf is being produced,

etc.) electric safety can be improved by inserting

an isolating transformer or a (FI) earth-leakage

circuit-breaker.

4 Keep children away

Do not let children come into contact with the

tool or extension cord. Supervision is required for

those under 16 years of age.

5 Extension cords for outdoor use

When the tool is used outdoors, always use

extension cords intended for outdoor use and

marked accordingly.

6 Store idle tools

When not in use, Power Tools must be stored in

a dry place and locked up securely, out of reach

of children.

7 Dress properly

Do not wear loose clothing or jewellery.

They can be caught in moving parts.

Preferably wear rubber gloves and non-slip

footwear when working outdoors. Wear protective

hair covering to keep long hair out of the way.

8 Wear safety goggles

Also use a face or dust mask in case the

operations produce dust or flying particles.

9 Beware of maximum sound pressure

Take appropriate measures for the protection

of hearing if the sound pressure of 85 dB(A) is

exceeded.

10 Secure workpiece

Use clamps or a vice to hold the workpiece. It is

safer and it frees both hands to operate the tool.

11 Do not overreach

Keep proper footing and balance at all times.

12 Avoid unintentional starting

Do not carry the plugged-in tool with a finger on

the switch. Be sure that the switch is released

when plugging in.

13 Stay alert

Watch what you are doing. Use common sense.

Do not operate the tool when you are tired.

14 Disconnect tool

Shut off power and wait for the tool to come to a

complete standstill before leaving it unattended.

Unplug the tool when not in use, before servicing

or changing accessories.

15 Remove adjusting keys and wrenches

Always check that adjusting keys and wrenches are

removed from the tool before operating the tool.

16 Use appropriate tool

The intended use is laid down in this instruction

manual. Do not force small tools or attachments

to do the job of a heavy-duty tool. The tool will

do the job better and safer at the rate for which

it was intended.

Warning! The use of any accessory or attachment

or performance of any operation with this tool,

other than those recommended in this instruction

manual may present a risk of personal injury.

17 Do not abuse cord

Never carry the tool by its cord or pull it to

disconnect from the socket. Keep the cord away

from heat, oil and sharp edges.

18 Maintain tools with care

Keep the tools in good condition and clean for

better and safer performance. Follow the

instructions for maintenance and changing

accessories. Inspect the tool cords at regular

15 en - 3

ENGLISH

intervals and, if damaged, have them repaired

by an Elu authorized repair agent. Inspect the

extension cords periodically and replace them if

damaged. Keep all controls dry, clean and free

from oil and grease.

19 Check for damaged parts

Before using the tool, carefully check it for

damage to ensure that it will operate properly

and perform its intended function. Check for

misalignment and seizure of moving parts,

breakage of parts and any other conditions that

may affect its operation. Have damaged guards

or other defective parts repaired or replaced as

instructed. Do not use the tool if the switch is

defective. Have the switch replaced by an Elu

authorized repair agent.

20 Have your tool repaired by an Elu authorized

repair agent

This Power Tool is in accordance with the

relevant safety regulations. To avoid danger,

electric appliances must only be repaired by

qualified technicians.

Sanding paint

Observe the applicable regulations for sanding paint.

Pay special attention to the following:

1 Whenever possible, use a vacuum extractor for

dust collection.

2 Take special care when sanding paint which is

possibly lead based:

• Do not let children or pregnant women enter

the work area.

• All persons entering the work area should wear

a mask specially designed for protection

against lead paint dust and fumes.

• Do not eat, drink or smoke in the work area.

3 Dispose of dust particles and any other removal

debris safely.

Package contents

The package contains:

1 Belt Sander

1 Dustbag

1 Dust extraction adapter (option)

1 Sanding belts

1 Sanding frame (K-models only)

1 Instruction manual

1 Exploded drawing

• Check for damage to the tool, parts or

accessories which may have occurred during

transport.

• Take the time to thoroughly read and understand

this manual prior to operation.

Description (fig. A)

Your Elu high performance Belt Sander MHB90(E)

has been designed for professional sanding of

wood, wood products and plastics.

1 ON/OFF-switch

2 Speed control dial (MHB90E)

3 Lock-on button

4 Clamping spring

5 Sanding belt

6 Belt centring knob

7 Dustbag

8 Dust extraction adapter

9 Guiding handle

10 Roller shaft

11 Roller

12 Clamping lever

Electrical safety

The electric motor has been designed for one

voltage only. Always check that the power supply

corresponds to the voltage on the rating plate.

Your Elu tool is double insulated in

accordance with EN 50144;

therefore no earth wire is required.

Mains plug replacement

(U.K. & Ireland only)

• Should your mains plug need replacing and you

are competent to do this, proceed as instructed

below. If you are in doubt, contact an authorized

Elu repair agent or a qualified electrician.

• Disconnect the plug from the supply.

• Cut off the plug and dispose of it safely;

a plug with bared copper conductors is

dangerous if engaged in a live socket outlet.

• Only fit 13 Amperes BS1363A approved plugs

fitted with the correctly rated fuse (1).

• The cable wire colours, or a letter, will be marked

at the connection points of most good quality

plugs. Attach the wires to their respective points

in the plug (see below). Brown is for Live (L) (2)

and Blue is for Neutral (N) (4).

• Before replacing the top cover of the mains plug

ensure that the cable restraint (3) is holding the

outer sheath of the cable firmly and that the two

leads are correctly fixed at the terminal screws.

Never use a light socket.

Never connect the live (L) or neutral (N)

wires to the earth pin marked E or .

For 115 V units with a power rating exceeding 1500 W,

we recommend to fit a plug to BS4343 standard.

Using an extension cable

If an extension cable is required, use an approved

extension cable suitable for the power input of this

tool (see technical data). The minimum conductor size

is 1.5 mm

2

. When using a cable reel, always unwind

the cable completely. Also refer to the table below.

Conductor size (mm

2

) Cable rating (Amperes)

0.75 6

1.00 10

1.50 15

2.50 20

4.00 25

Cable length (m)

7.5 15 25 30 45 60

Voltage Amperes Cable rating (Amperes)

115 0-2.0 66 66 610

2.1 - 3.4 6 6 6 6 15 15

3.5 - 5.0 6 6 10 15 20 20

5.1 - 7.0 10 10 15 20 20 25

7.1 - 12.0 15 15 20 25 25 -

12.1 - 20.0 20 20 25 - - -

230 0 - 2.0 6 6 6 6 6 6

2.1 - 3.4 6 6 6 6 6 6

3.5 - 5.0 6 6 6 6 10 15

5.1 - 7.0 10 10 10 10 15 15

7.1 - 12.0 15 15 15 15 20 20

12.1 - 20.0 20 20 20 20 25 -

ENGLISH

en - 4 16

Assembly and adjustment

Prior to assembly and adjustment always

unplug the tool.

Replacing and centring the sanding belt (fig. B & C)

Your Belt Sander uses 100 x 570 mm sanding belts.

• Place the tool on its side with the clamping

lever (12) upwards.

• Pull the clamping lever (12) upwards and to the

right.

• Remove the sanding belt (5).

• Place a new sanding belt making sure that the

arrow on the inside of the sanding belt points in

the same direction as the arrow on the machine

when on the same side of the rollers.

• Push the clamping lever back.

• Switch the machine ON and turn the outer belt

centring knob (6) until the sanding belt is centred

on the roller (11).

The sanding belt should never project at

the rear! The sanding belt should be

flush with the outer edge of the sanding

surface.

MHB90E - Setting the electronic speed control

dial (fig. D)

• Turn the speed control dial (2) to the desired

position. The higher the number, the higher the

belt speed.

MHB90(E)K - Mounting, removing and adjusting

the sanding frame (E36052) (fig. A & E)

• Remove the sanding belt.

• Remove the front crankshaft (13) from the

sanding frame (14).

• Push the crankshaft into the semi-circular

mountings in the sander where it will be held in

place by the clamping spring (4).

• Mount the finger guard (15) to the sanding frame

using the screws (16) and washers (17) as shown.

• Mount the sanding belt as described above.

• Click the front crankshaft (13) into the clamping

spring (4).

• Rotate the knob (18) to set the rear crankshaft of

the sanding frame at right angles with the

sanding belt. Push the sanding frame onto the

rear crankshaft.

17 en - 5

ENGLISH

• Adjust the height of the sanding frame (14) using

the knob (18).

• To remove the sanding frame, proceed in reverse

order.

If the sanding frame is not being used,

the crankshaft (13) can simply be rotated

a quarter of a turn and left in the tool.

Mounting and removing the stationary stand

(E36053) (fig. A & F)

The Belt Sander can be used as a stationary tool.

The stationary stand is available as an option.

• Mount the sanding frame (14) as described above.

• Remove the star knob (19) from the stationary

stand.

• Place the belt sander on the stationary stand (20).

The guiding handle (9) locates in the hole in the

stationary stand (20). The threaded spindle (21)

protrudes from the hole (22) in the bracket (23).

• Turn the star knob (19) onto the threaded

spindle (21).

• To remove the stationary stand, proceed in

reverse order.

Dust extraction

Dustbag (fig. G)

• Squeeze the spring (24) of the dustbag (7) and

release it between the fixing rings (25).

• For efficient dust extraction empty the dustbag

when it is about one third full.

• Remove the dustbag, open the zipper and gently

shake out the dustbag.

Dust extraction adaptor (E36054) (fig. E & H)

• Screw the dust extraction adaptor (8) onto the

outlet (26).

• Whenever possible, connect a dust extraction

device designed in accordance with the relevant

regulations regarding dust emission.

Do not use a dustbag or vacuum

extractor without proper spark protection

when sanding metal.

Do not sand magnesium!

• Do not rough sand pure metal surfaces.

Instructions for use

• Always observe the safety instructions

and applicable regulations.

• Make sure all materials to be sanded are

well secured.

• Apply only a gentle pressure to the

workpiece.

Sanding (fig. A)

A guiding handle (9) has been provided for optimum

tool control when using the Belt Sander without the

stationary stand.

• Start with the coarsest grit size.

• Move the belt sander in long, sweeping strokes.

• Check your work at short intervals.

Switching ON and OFF (fig. A)

• Switching ON: press the ON/OFF-switch (1).

• For continuous operation, also press the lock-on

button (3).

• To stop the tool in continuous operation, press

the switch briefly and release it. Always switch

OFF the tool when work is finished and before

unplugging.

Your dealer can provide detailed information on

sanding sheets.

Maintenance

Your Elu Power Tool has been designed to operate

over a long period of time with a minimum of

maintenance. Continuous satisfactory operation

depends upon proper tool care and regular cleaning.

Lubrication

Your Power Tool requires no additional lubrication.

ENGLISH

en - 6 18

Cleaning

Keep the ventilation slots clear and regularly clean

the housing with a soft cloth.

Regularly empty the dustbag or clean the dust

extraction adaptor.

Unwanted tools and the environment

Take your tool to an Elu authorized repair agent

where it will be disposed of in an environmentally

safe way.

Elu After-Sales service

All Elu Power Tools are thoroughly tested before

leaving the factory. However, if the Power Tool

needs repair, please contact your dealer or the Elu

Head Office for the address of the nearest Elu

authorized repair agent (please refer to the back of

this manual).

GUARANTEE

• 30 DAY NO RISK SATISFACTION GUARANTEE •

If you are not completely satisfied with the

performance of your Elu tool, simply return it

within 30 days, complete as purchased, to your

Elu dealer for a full refund or exchange. Proof of

purchase must be provided.

• ONE YEAR FULL WARRANTY •

If your Elu product becomes defective due to

faulty materials or workmanship within 12 months

from the date of purchase, we guarantee to

replace all defective parts free of charge or,

at our discretion, replace the unit free of charge

provided that:

• The product has not been misused.

• Repairs have not been attempted by

unauthorized persons.

• Proof of purchase date is provided.

This guarantee is offered as an extra benefit and

is additional to consumers statutory rights.

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